Hom kev hnov qab dab tsi yog cov hlab ntshav xaus?
Hom kev hnov qab dab tsi yog cov hlab ntshav xaus?

Video: Hom kev hnov qab dab tsi yog cov hlab ntshav xaus?

Video: Hom kev hnov qab dab tsi yog cov hlab ntshav xaus?
Video: Huab Vwj & Celesna Lor- Qhov Tawv Tawv-Nkauj Tawm Tshiab 2024, Cuaj hlis
Anonim

1). Qhov mob thiab qhov kub thiab txias cov receptors nyob rau hauv daim tawv nqaij ntawm daim tawv nqaij yog piv txwv ntawm cov neurons uas muaj dawb cov hlab ntsha kawg . Kuj tseem nyob hauv lub dermis ntawm daim tawv nqaij yog lamellated thiab tactile corpuscles, neurons nrog encapsulated hlab ntsha kawg uas teb rau siab thiab kov.

Ib yam nkaus, tib neeg nug, uas yog piv txwv ntawm cov neeg txais khoom kaw?

Piv txwv yog mob cov receptors , kub cov receptors , Merkel disks (kov), plaub hau hauv paus plexus. Encapsulated receptors muaj lub tsiav tshuaj tshwj xeeb uas ua rau cov hlab ntsha xaus. Golgi cov leeg hauv nruab nrog cev - nthuav tawm cov leeg, sib zog ntawm cov leeg.

dab tsi yog encapsulated hlab ntsha kawg? Mechanoreceptors hauv daim tawv nqaij tau piav raws li encapsulated los yog tsis muaj kev txwv. Ib qho dawb paj xaus yog unencapsulated dendrite ntawm lub paj hlwb; lawv yog cov feem ntau cov hlab ntsha kawg hauv daim tawv nqaij. Pub dawb cov hlab ntsha kawg yog rhiab rau qhov kev mob siab rau, kub thiab txias, thiab ua kom pom kev.

Kuj lo lus nug yog, 5 hom kev hnov qab neeg hnov dab tsi?

Tsib qhov yooj yim hnov qab tus neeg txais qhov kawg muaj nyob hauv tib neeg lub cev: cov thermoreceptors kuaj pom qhov hloov pauv ntawm qhov kub thiab txias; cov kws kho tsheb teb rau lub cev deformation; nociceptors teb rau qhov mob, photoreceptors /electromagnetic receptors yog qhov pom tau ntawm cov retina; chemoreceptors ntes hnov tsw, saj, sab hauv

Dab tsi yog peb hom kev hnov qab cov neeg txais?

Sensors receptors feem ntau yog cais ua chemoreceptors, thermoreceptors, mechanoreceptors, lossis photoreceptors.

Pom zoo: